Home / 78,098-168,343

Finding the Third Proportional to 78,098 and 168,343

Calculator

Solution

The third proportional to 78,098 and 168,343 is: 362,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,098 : 168,343 = 168,343 : x
  2. Step 2: Convert to fraction form
    78,098/168,343 = 168,343/x
  3. Step 3: Cross multiply
    78,098x = 168,343 × 168,343
  4. Step 4: Simplify right side
    78,098x = 28,339,365,649
  5. Step 5: Solve for x
    x = 28,339,365,649/78,098
  6. Step 6: Final answer
    x = 362,869.29

Related Problems

Find third proportional to 39,049 and 84,171.50
Half scale
Find third proportional to 156,196 and 336,686
Double scale
Find third proportional to 78,100 and 168,347
Similar ratio
Find third proportional to 117,147 and 252,514.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.